[libc-commits] [libc] [llvm] [libc] Modify NaN/payload functions for emulated float128 type (#221574) (PR #221946)
via libc-commits
libc-commits at lists.llvm.org
Sat Sep 12 19:21:40 PDT 2026
https://github.com/Popie52 updated https://github.com/llvm/llvm-project/pull/221946
>From 57ab88527447ccedcec7f7cade1a3763c44d97bc Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Tue, 8 Sep 2026 15:20:32 +0530
Subject: [PATCH 1/4] [libc] Modify NaN/payload functions for emulated float128
type
---
libc/config/baremetal/aarch64/entrypoints.txt | 8 ++---
libc/config/baremetal/arm/entrypoints.txt | 8 ++---
libc/config/baremetal/riscv/entrypoints.txt | 8 ++---
libc/config/darwin/aarch64/entrypoints.txt | 8 ++---
libc/config/freebsd/x86_64/entrypoints.txt | 8 ++---
libc/config/linux/aarch64/entrypoints.txt | 8 ++---
libc/config/linux/riscv/entrypoints.txt | 8 ++---
libc/config/linux/x86_64/entrypoints.txt | 8 ++---
libc/shared/math/getpayloadf128.h | 6 ----
libc/shared/math/nanf128.h | 6 ----
libc/shared/math/setpayloadf128.h | 6 ----
libc/shared/math/setpayloadsigf128.h | 6 ----
libc/src/__support/math/CMakeLists.txt | 8 ++---
libc/src/__support/math/getpayloadf128.h | 11 +++----
libc/src/__support/math/nanf128.h | 13 +++-----
libc/src/__support/math/setpayloadf128.h | 11 +++----
libc/src/__support/math/setpayloadsigf128.h | 11 +++----
libc/src/math/generic/CMakeLists.txt | 3 ++
libc/src/math/generic/getpayloadf128.cpp | 5 ++-
libc/src/math/generic/setpayloadf128.cpp | 5 ++-
libc/src/math/generic/setpayloadsigf128.cpp | 5 ++-
libc/src/math/getpayloadf128.h | 5 +++
libc/src/math/nanf128.h | 5 +++
libc/src/math/setpayloadf128.h | 5 +++
libc/src/math/setpayloadsigf128.h | 5 +++
.../shared/shared_math_constexpr_test.cpp | 28 ++++++++---------
libc/test/shared/shared_math_test.cpp | 31 ++++++++++---------
libc/test/src/math/smoke/CMakeLists.txt | 4 +++
.../src/math/smoke/getpayloadf128_test.cpp | 5 +++
libc/test/src/math/smoke/nanf128_test.cpp | 5 +++
.../src/math/smoke/setpayloadf128_test.cpp | 5 +++
.../src/math/smoke/setpayloadsigf128_test.cpp | 5 +++
.../llvm-project-overlay/libc/BUILD.bazel | 15 ++++++---
.../libc/test/src/math/smoke/BUILD.bazel | 9 ++++++
34 files changed, 162 insertions(+), 125 deletions(-)
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
index 757e4729699d1..dcb044268ec74 100644
--- a/libc/config/baremetal/aarch64/entrypoints.txt
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -481,6 +481,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -538,6 +539,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -583,9 +585,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -777,13 +781,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -791,8 +793,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index 13d4f777650f7..0084b209e2a97 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -493,6 +493,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -550,6 +551,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -595,9 +597,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -788,13 +792,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -802,8 +804,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index 88613b39086a5..00c18a5707e71 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -489,6 +489,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -546,6 +547,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -591,9 +593,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -785,13 +789,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -799,8 +801,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/darwin/aarch64/entrypoints.txt b/libc/config/darwin/aarch64/entrypoints.txt
index c6c8357207959..962e527a8e9a9 100644
--- a/libc/config/darwin/aarch64/entrypoints.txt
+++ b/libc/config/darwin/aarch64/entrypoints.txt
@@ -300,6 +300,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -357,6 +358,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -402,9 +404,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -597,13 +601,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -611,8 +613,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/freebsd/x86_64/entrypoints.txt b/libc/config/freebsd/x86_64/entrypoints.txt
index 8f6c178301c2f..42d52b3ebc6c2 100644
--- a/libc/config/freebsd/x86_64/entrypoints.txt
+++ b/libc/config/freebsd/x86_64/entrypoints.txt
@@ -267,6 +267,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -347,6 +348,7 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsqrtl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.iscanonical
libc.src.math.iscanonicalf
@@ -371,9 +373,11 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.roundevenl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sincos
libc.src.math.sinpif
@@ -537,13 +541,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -551,8 +553,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index 03053ac04f743..4f7ce996dceb6 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -666,6 +666,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -723,6 +724,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -768,9 +770,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -956,13 +960,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -970,8 +972,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index 5db369a9d871d..c97f8c442dc1d 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -735,6 +735,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -792,6 +793,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -837,9 +839,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -1042,13 +1046,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -1056,8 +1058,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 3cbbb7b3e9f79..2314c84259881 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -744,6 +744,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -801,6 +802,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -846,9 +848,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -1051,13 +1055,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -1065,8 +1067,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/shared/math/getpayloadf128.h b/libc/shared/math/getpayloadf128.h
index 1a3845e631a8b..199c9e5df084d 100644
--- a/libc/shared/math/getpayloadf128.h
+++ b/libc/shared/math/getpayloadf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/getpayloadf128.h"
@@ -24,6 +20,4 @@ using math::getpayloadf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
diff --git a/libc/shared/math/nanf128.h b/libc/shared/math/nanf128.h
index 313b6ed6234c5..f1dd96387680e 100644
--- a/libc/shared/math/nanf128.h
+++ b/libc/shared/math/nanf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_NANF128_H
#define LLVM_LIBC_SHARED_MATH_NANF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/nanf128.h"
@@ -24,6 +20,4 @@ using math::nanf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_NANF128_H
diff --git a/libc/shared/math/setpayloadf128.h b/libc/shared/math/setpayloadf128.h
index a1f889e89ed39..7efdc34dd1577 100644
--- a/libc/shared/math/setpayloadf128.h
+++ b/libc/shared/math/setpayloadf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/setpayloadf128.h"
@@ -24,6 +20,4 @@ using math::setpayloadf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
diff --git a/libc/shared/math/setpayloadsigf128.h b/libc/shared/math/setpayloadsigf128.h
index 3169b610ccb4d..a10e07124dad7 100644
--- a/libc/shared/math/setpayloadsigf128.h
+++ b/libc/shared/math/setpayloadsigf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/setpayloadsigf128.h"
@@ -24,6 +20,4 @@ using math::setpayloadsigf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
diff --git a/libc/src/__support/math/CMakeLists.txt b/libc/src/__support/math/CMakeLists.txt
index cf9bc11fce824..3aaf49c05f3cc 100644
--- a/libc/src/__support/math/CMakeLists.txt
+++ b/libc/src/__support/math/CMakeLists.txt
@@ -2181,7 +2181,7 @@ add_header_library(
HDRS
nanf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
libc.src.__support.str_to_float
libc.src.__support.libc_errno
@@ -3852,7 +3852,7 @@ add_header_library(
HDRS
getpayloadf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
libc.src.__support.macros.config
)
@@ -4771,7 +4771,7 @@ add_header_library(
HDRS
setpayloadf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
libc.src.__support.macros.config
)
@@ -4828,7 +4828,7 @@ add_header_library(
HDRS
setpayloadsigf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
libc.src.__support.macros.config
)
diff --git a/libc/src/__support/math/getpayloadf128.h b/libc/src/__support/math/getpayloadf128.h
index aed53ee4adbce..98d4d529b0f31 100644
--- a/libc/src/__support/math/getpayloadf128.h
+++ b/libc/src/__support/math/getpayloadf128.h
@@ -9,24 +9,21 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr float128 getpayloadf128(const float128 *x) {
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr Float128 getpayloadf128(const Float128 *x) {
return fputil::getpayload(*x);
}
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
diff --git a/libc/src/__support/math/nanf128.h b/libc/src/__support/math/nanf128.h
index 5cc1010939d3c..de445eeab900b 100644
--- a/libc/src/__support/math/nanf128.h
+++ b/libc/src/__support/math/nanf128.h
@@ -9,19 +9,18 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/libc_errno.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/str_to_float.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr float128 nanf128(const char *arg) {
- auto result = internal::strtonan<float128>(arg);
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr Float128 nanf128(const char *arg) {
+ auto result = internal::strtonan<Float128>(arg);
if (result.has_error())
libc_errno = result.error;
return result.value;
@@ -30,6 +29,4 @@ LIBC_INLINE constexpr float128 nanf128(const char *arg) {
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
diff --git a/libc/src/__support/math/setpayloadf128.h b/libc/src/__support/math/setpayloadf128.h
index 4e022d8ec91d4..f2ed808866ada 100644
--- a/libc/src/__support/math/setpayloadf128.h
+++ b/libc/src/__support/math/setpayloadf128.h
@@ -9,24 +9,21 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr int setpayloadf128(float128 *res, float128 pl) {
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr int setpayloadf128(Float128 *res, Float128 pl) {
return static_cast<int>(fputil::setpayload</*IsSignaling=*/false>(*res, pl));
}
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
diff --git a/libc/src/__support/math/setpayloadsigf128.h b/libc/src/__support/math/setpayloadsigf128.h
index 6a51920911150..9954bb96b5367 100644
--- a/libc/src/__support/math/setpayloadsigf128.h
+++ b/libc/src/__support/math/setpayloadsigf128.h
@@ -9,24 +9,21 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADSIGF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE int setpayloadsigf128(float128 *res, float128 pl) {
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE int setpayloadsigf128(Float128 *res, Float128 pl) {
return static_cast<int>(fputil::setpayload</*IsSignaling=*/true>(*res, pl));
}
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADSIGF128_H
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index 28b8e954530dd..3cffe69f7ca5f 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -4409,6 +4409,7 @@ add_entrypoint_object(
HDRS
../getpayloadf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.getpayloadf128
)
@@ -4469,6 +4470,7 @@ add_entrypoint_object(
HDRS
../setpayloadf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.setpayloadf128
)
@@ -4529,6 +4531,7 @@ add_entrypoint_object(
HDRS
../setpayloadsigf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.setpayloadsigf128
)
diff --git a/libc/src/math/generic/getpayloadf128.cpp b/libc/src/math/generic/getpayloadf128.cpp
index ba2b1cf798f3b..648acfd555f0c 100644
--- a/libc/src/math/generic/getpayloadf128.cpp
+++ b/libc/src/math/generic/getpayloadf128.cpp
@@ -7,12 +7,15 @@
//===----------------------------------------------------------------------===//
#include "src/math/getpayloadf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/getpayloadf128.h"
namespace LIBC_NAMESPACE_DECL {
+using LIBC_NAMESPACE::fputil::Float128;
+
LLVM_LIBC_FUNCTION(float128, getpayloadf128, (const float128 *x)) {
- return math::getpayloadf128(x);
+ return cpp::bit_cast<float128>(math::getpayloadf128(cpp::bit_cast<const Float128 *>(x)));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadf128.cpp b/libc/src/math/generic/setpayloadf128.cpp
index 83a3218688a99..fa71b46a8a89c 100644
--- a/libc/src/math/generic/setpayloadf128.cpp
+++ b/libc/src/math/generic/setpayloadf128.cpp
@@ -7,12 +7,15 @@
//===----------------------------------------------------------------------===//
#include "src/math/setpayloadf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/setpayloadf128.h"
namespace LIBC_NAMESPACE_DECL {
+using LIBC_NAMESPACE::fputil::Float128;
+
LLVM_LIBC_FUNCTION(int, setpayloadf128, (float128 * res, float128 pl)) {
- return math::setpayloadf128(res, pl);
+ return math::setpayloadf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadsigf128.cpp b/libc/src/math/generic/setpayloadsigf128.cpp
index a3972286767b5..91dd561568d47 100644
--- a/libc/src/math/generic/setpayloadsigf128.cpp
+++ b/libc/src/math/generic/setpayloadsigf128.cpp
@@ -7,12 +7,15 @@
//===----------------------------------------------------------------------===//
#include "src/math/setpayloadsigf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/setpayloadsigf128.h"
namespace LIBC_NAMESPACE_DECL {
+using LIBC_NAMESPACE::fputil::Float128;
+
LLVM_LIBC_FUNCTION(int, setpayloadsigf128, (float128 * res, float128 pl)) {
- return math::setpayloadsigf128(res, pl);
+ return math::setpayloadsigf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/getpayloadf128.h b/libc/src/math/getpayloadf128.h
index 7ebb4290d4f8a..383b03219203e 100644
--- a/libc/src/math/getpayloadf128.h
+++ b/libc/src/math/getpayloadf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
float128 getpayloadf128(const float128 *x);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/nanf128.h b/libc/src/math/nanf128.h
index 1c1323adcd781..4bc24649f0e33 100644
--- a/libc/src/math/nanf128.h
+++ b/libc/src/math/nanf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_NANF128_H
#define LLVM_LIBC_SRC_MATH_NANF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
float128 nanf128(const char *arg);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/setpayloadf128.h b/libc/src/math/setpayloadf128.h
index e46aef38256db..d3f357bc6c49f 100644
--- a/libc/src/math/setpayloadf128.h
+++ b/libc/src/math/setpayloadf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SRC_MATH_SETPAYLOADF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
int setpayloadf128(float128 *res, float128 pl);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/setpayloadsigf128.h b/libc/src/math/setpayloadsigf128.h
index 4e036b9c8ba00..80bc58c499818 100644
--- a/libc/src/math/setpayloadsigf128.h
+++ b/libc/src/math/setpayloadsigf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SRC_MATH_SETPAYLOADSIGF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
int setpayloadsigf128(float128 *res, float128 pl);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/shared/shared_math_constexpr_test.cpp b/libc/test/shared/shared_math_constexpr_test.cpp
index 862c056411f5c..7407ea2d8dfd4 100644
--- a/libc/test/shared/shared_math_constexpr_test.cpp
+++ b/libc/test/shared/shared_math_constexpr_test.cpp
@@ -435,6 +435,20 @@ static_assert(Float128(0.0) ==
LIBC_NAMESPACE::shared::roundf128(Float128(0.0)));
static_assert(Float128(0.0) ==
LIBC_NAMESPACE::shared::truncf128(Float128(0.0)));
+static_assert(Float128(-1.0) == [] {
+ Float128 getpayload_x = Float128(0.0);
+ return LIBC_NAMESPACE::shared::getpayloadf128(&getpayload_x);
+}());
+static_assert(1 == [] {
+ const char arg{};
+ return LIBC_NAMESPACE::fputil::FPBits<Float128>(
+ LIBC_NAMESPACE::shared::nanf128(&arg))
+ .is_nan();
+}());
+static_assert(0 == [] {
+ Float128 setpayload_x = Float128(0.0);
+ return LIBC_NAMESPACE::shared::setpayloadf128(&setpayload_x, Float128(0.0));
+}());
//===----------------------------------------------------------------------===//
// Native Float128 Tests
@@ -461,10 +475,6 @@ static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::fromfpf128(float128(0.0), 0, 32));
static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::fromfpxf128(float128(0.0), 0, 32));
-static_assert(float128(-1.0) == [] {
- float128 getpayload_x = float128(0.0);
- return LIBC_NAMESPACE::shared::getpayloadf128(&getpayload_x);
-}());
static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::ufromfpf128(float128(0.0), 0, 32));
static_assert(float128(0.0) ==
@@ -495,10 +505,6 @@ static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::scalblnf128(float128(0.0), 0.0));
static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::scalbnf128(float128(0.0), 0.0));
-static_assert(0 == [] {
- float128 setpayload_x = float128(0.0);
- return LIBC_NAMESPACE::shared::setpayloadf128(&setpayload_x, float128(0.0));
-}());
static_assert(0.0f ==
LIBC_NAMESPACE::shared::fmulf128(float128(0.0), float128(0.0)));
static_assert(0.0f ==
@@ -506,12 +512,6 @@ static_assert(0.0f ==
static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::nextafterf128(float128(0.0),
float128(0.0)));
-static_assert(1 == [] {
- const char arg{};
- return LIBC_NAMESPACE::fputil::FPBits<float128>(
- LIBC_NAMESPACE::shared::nanf128(&arg))
- .is_nan();
-}());
#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
diff --git a/libc/test/shared/shared_math_test.cpp b/libc/test/shared/shared_math_test.cpp
index 7b785331f36c6..cfae2a1ab48f5 100644
--- a/libc/test/shared/shared_math_test.cpp
+++ b/libc/test/shared/shared_math_test.cpp
@@ -581,6 +581,8 @@ TEST(LlvmLibcSharedMathTest, AllLongDouble) {
// Emulated float128 tests
TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
+ using FPBits = LIBC_NAMESPACE::fputil::FPBits<Float128>;
+
EXPECT_FP_EQ(Float128(0.0),
LIBC_NAMESPACE::shared::atan2f128(Float128(0.0), Float128(0.0)));
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::ceilf128(Float128(0.0)));
@@ -625,6 +627,20 @@ TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::roundf128(Float128(0.0)));
EXPECT_FP_EQ(Float128(1.0), LIBC_NAMESPACE::shared::sqrtf128(Float128(1.0)));
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::truncf128(Float128(0.0)));
+ EXPECT_TRUE(FPBits(LIBC_NAMESPACE::shared::nanf128("")).is_nan());
+
+ Float128 getpayloadf128_x = Float128(0.0);
+ EXPECT_FP_EQ(Float128(-1.0),
+ LIBC_NAMESPACE::shared::getpayloadf128(&getpayloadf128_x));
+
+ Float128 setpayloadf128_res = Float128(0.0);
+ EXPECT_EQ(0, LIBC_NAMESPACE::shared::setpayloadf128(&setpayloadf128_res,
+ Float128(0.0)));
+
+ Float128 setpayloadsigf128_res = Float128(0.0);
+ EXPECT_EQ(1, LIBC_NAMESPACE::shared::setpayloadsigf128(&setpayloadsigf128_res,
+ Float128(0.0)));
+ EXPECT_FP_EQ(Float128(0.0), setpayloadsigf128_res);
}
#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
@@ -681,20 +697,6 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
LIBC_NAMESPACE::shared::faddf128(float128(0.0), float128(0.0)));
EXPECT_FP_EQ(1.0f,
LIBC_NAMESPACE::shared::fdivf128(float128(1.0), float128(1.0)));
-
- float128 getpayloadf128_x = float128(0.0);
- EXPECT_FP_EQ(float128(-1.0),
- LIBC_NAMESPACE::shared::getpayloadf128(&getpayloadf128_x));
-
- float128 setpayloadf128_res = float128(0.0);
- EXPECT_EQ(0, LIBC_NAMESPACE::shared::setpayloadf128(&setpayloadf128_res,
- float128(0.0)));
-
- float128 setpayloadsigf128_res = float128(0.0);
- EXPECT_EQ(1, LIBC_NAMESPACE::shared::setpayloadsigf128(&setpayloadsigf128_res,
- float128(0.0)));
- EXPECT_FP_EQ(float128(0.0), setpayloadsigf128_res);
-
float128 neg_min_denormal = FPBits::min_subnormal(Sign::NEG).get_val();
EXPECT_FP_EQ(neg_min_denormal,
LIBC_NAMESPACE::shared::nextdownf128(float128(0.0)));
@@ -754,7 +756,6 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
LIBC_NAMESPACE::shared::fsubf128(float128(0.0), float128(0.0)));
EXPECT_FP_EQ(0x0p+0f,
LIBC_NAMESPACE::shared::fmulf128(float128(0.0), float128(0.0)));
- EXPECT_TRUE(FPBits(LIBC_NAMESPACE::shared::nanf128("")).is_nan());
}
#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
diff --git a/libc/test/src/math/smoke/CMakeLists.txt b/libc/test/src/math/smoke/CMakeLists.txt
index a61b854a85fb2..a26b72109eda1 100644
--- a/libc/test/src/math/smoke/CMakeLists.txt
+++ b/libc/test/src/math/smoke/CMakeLists.txt
@@ -3935,6 +3935,7 @@ add_fp_unittest(
DEPENDS
libc.hdr.signal_macros
libc.src.math.nanf128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.fp_bits
# FIXME: The nan tests currently have death tests, which aren't supported for
# hermetic tests.
@@ -5572,6 +5573,7 @@ add_fp_unittest(
GetPayloadTest.h
DEPENDS
libc.src.math.getpayloadf128
+ libc.src.__support.FPUtil.float128
)
add_fp_unittest(
@@ -5645,6 +5647,7 @@ add_fp_unittest(
SetPayloadTest.h
DEPENDS
libc.src.math.setpayloadf128
+ libc.src.__support.FPUtil.float128
)
add_fp_unittest(
@@ -5718,6 +5721,7 @@ add_fp_unittest(
SetPayloadSigTest.h
DEPENDS
libc.src.math.setpayloadsigf128
+ libc.src.__support.FPUtil.float128
)
add_fp_unittest(
diff --git a/libc/test/src/math/smoke/getpayloadf128_test.cpp b/libc/test/src/math/smoke/getpayloadf128_test.cpp
index 37bb506a3ed16..404e3ee873262 100644
--- a/libc/test/src/math/smoke/getpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/getpayloadf128_test.cpp
@@ -8,6 +8,11 @@
#include "GetPayloadTest.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/math/getpayloadf128.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
LIST_GETPAYLOAD_TESTS(float128, LIBC_NAMESPACE::getpayloadf128)
diff --git a/libc/test/src/math/smoke/nanf128_test.cpp b/libc/test/src/math/smoke/nanf128_test.cpp
index 40b347de25f7a..ef781cbdf1b9b 100644
--- a/libc/test/src/math/smoke/nanf128_test.cpp
+++ b/libc/test/src/math/smoke/nanf128_test.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
#include "hdr/signal_macros.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/__support/uint128.h"
#include "src/math/nanf128.h"
@@ -14,6 +15,10 @@
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif
+
class LlvmLibcNanf128Test : public LIBC_NAMESPACE::testing::FEnvSafeTest {
public:
using FPBits128 = LIBC_NAMESPACE::fputil::FPBits<float128>;
diff --git a/libc/test/src/math/smoke/setpayloadf128_test.cpp b/libc/test/src/math/smoke/setpayloadf128_test.cpp
index 4b17bfee093c0..f33ccb9f2f27b 100644
--- a/libc/test/src/math/smoke/setpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadf128_test.cpp
@@ -8,6 +8,11 @@
#include "SetPayloadTest.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/math/setpayloadf128.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
LIST_SETPAYLOAD_TESTS(float128, LIBC_NAMESPACE::setpayloadf128)
diff --git a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
index ea7d0268b3a29..d0f821898e27b 100644
--- a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
@@ -8,6 +8,11 @@
#include "SetPayloadSigTest.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/math/setpayloadsigf128.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
LIST_SETPAYLOADSIG_TESTS(float128, LIBC_NAMESPACE::setpayloadsigf128)
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index fc1164d88d111..c91a9bcc619a9 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -4569,9 +4569,9 @@ libc_support_library(
name = "__support_math_setpayloadf128",
hdrs = ["src/__support/math/setpayloadf128.h"],
deps = [
+ ":__support_fputil_float128",
":__support_fputil_basic_operations",
":__support_macros_config",
- ":llvm_libc_types_float128",
],
)
@@ -4627,8 +4627,8 @@ libc_support_library(
hdrs = ["src/__support/math/setpayloadsigf128.h"],
deps = [
":__support_fputil_basic_operations",
+ ":__support_fputil_float128",
":__support_macros_config",
- ":llvm_libc_types_float128",
],
)
@@ -6718,10 +6718,10 @@ libc_support_library(
name = "__support_math_nanf128",
hdrs = ["src/__support/math/nanf128.h"],
deps = [
+ ":__support_fputil_float128",
":__support_libc_errno",
":__support_macros_config",
":__support_str_to_float",
- ":llvm_libc_types_float128",
],
)
@@ -8387,9 +8387,9 @@ libc_support_library(
name = "__support_math_getpayloadf128",
hdrs = ["src/__support/math/getpayloadf128.h"],
deps = [
+ ":__support_fputil_float128",
":__support_fputil_basic_operations",
":__support_macros_config",
- ":llvm_libc_types_float128",
],
)
@@ -12499,6 +12499,8 @@ libc_math_function(
libc_math_function(
name = "getpayloadf128",
additional_deps = [
+ ":__support_cpp_bit",
+ ":__support_fputil_float128",
":__support_math_getpayloadf128",
],
)
@@ -13035,6 +13037,7 @@ libc_math_function(
libc_math_function(
name = "nanf128",
additional_deps = [
+ ":__support_fputil_float128",
":__support_math_nanf128",
],
)
@@ -13603,6 +13606,8 @@ libc_math_function(
libc_math_function(
name = "setpayloadf128",
additional_deps = [
+ ":__support_cpp_bit",
+ ":__support_fputil_float128",
":__support_math_setpayloadf128",
],
)
@@ -13638,6 +13643,8 @@ libc_math_function(
libc_math_function(
name = "setpayloadsigf128",
additional_deps = [
+ ":__support_cpp_bit",
+ ":__support_fputil_float128",
":__support_math_setpayloadsigf128",
],
)
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
index 1ea19f953e0ad..9276c793530cf 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
@@ -969,6 +969,9 @@ math_test(
math_test(
name = "getpayloadf128",
hdrs = ["GetPayloadTest.h"],
+ deps = [
+ "//libc:__support_fputil_float128",
+ ],
)
math_test(
@@ -1593,6 +1596,9 @@ math_test(
math_test(
name = "setpayloadf128",
hdrs = ["SetPayloadTest.h"],
+ deps = [
+ "//libc:__support_fputil_float128",
+ ],
)
math_test(
@@ -1618,6 +1624,9 @@ math_test(
math_test(
name = "setpayloadsigf128",
hdrs = ["SetPayloadSigTest.h"],
+ deps = [
+ "//libc:__support_fputil_float128",
+ ]
)
math_test(
>From 805d03cbb64fe51113d60643aadc016605f724a3 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Tue, 8 Sep 2026 18:42:59 +0530
Subject: [PATCH 2/4] [libc] Fix emulated f128 NaN payload entrypoints
---
libc/config/gpu/amdgpu/entrypoints.txt | 4 ++++
libc/config/gpu/nvptx/entrypoints.txt | 4 ++++
libc/config/linux/arm/entrypoints.txt | 4 ++++
libc/config/windows/entrypoints.txt | 5 ++++-
libc/src/math/generic/nanf128.cpp | 3 ++-
utils/bazel/llvm-project-overlay/libc/BUILD.bazel | 4 ++--
.../libc/test/src/math/smoke/BUILD.bazel | 2 +-
7 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/libc/config/gpu/amdgpu/entrypoints.txt b/libc/config/gpu/amdgpu/entrypoints.txt
index 5c5e5891da822..0da982665cb96 100644
--- a/libc/config/gpu/amdgpu/entrypoints.txt
+++ b/libc/config/gpu/amdgpu/entrypoints.txt
@@ -428,6 +428,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -481,6 +482,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -526,9 +528,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
diff --git a/libc/config/gpu/nvptx/entrypoints.txt b/libc/config/gpu/nvptx/entrypoints.txt
index afae725484a89..0317e3839ad11 100644
--- a/libc/config/gpu/nvptx/entrypoints.txt
+++ b/libc/config/gpu/nvptx/entrypoints.txt
@@ -425,6 +425,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -478,6 +479,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -523,9 +525,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index a3f387edc349b..2b1ad72559f59 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -486,6 +486,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -534,6 +535,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -576,9 +578,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
diff --git a/libc/config/windows/entrypoints.txt b/libc/config/windows/entrypoints.txt
index 3a48b49e169b3..8cc4feaf96cc4 100644
--- a/libc/config/windows/entrypoints.txt
+++ b/libc/config/windows/entrypoints.txt
@@ -300,6 +300,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -395,6 +396,7 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.fromfpbf16
libc.src.math.fromfpxbf16
libc.src.math.getpayloadbf16
+ libc.src.math.getpayloadf128
libc.src.math.hypotbf16
libc.src.math.ilogbbf16
libc.src.math.iscanonicalbf16
@@ -422,7 +424,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalblnbf16
libc.src.math.scalbnbf16
libc.src.math.setpayloadbf16
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadsigbf16
+ libc.src.math.setpayloadsigf128
libc.src.math.sqrtbf16
libc.src.math.tanbf16
libc.src.math.truncbf16
@@ -436,4 +440,3 @@ set(TARGET_LLVMLIBC_ENTRYPOINTS
${TARGET_LIBC_ENTRYPOINTS}
${TARGET_LIBM_ENTRYPOINTS}
)
-
diff --git a/libc/src/math/generic/nanf128.cpp b/libc/src/math/generic/nanf128.cpp
index 04cb5cf03cc74..abf2b83603ad7 100644
--- a/libc/src/math/generic/nanf128.cpp
+++ b/libc/src/math/generic/nanf128.cpp
@@ -7,12 +7,13 @@
//===----------------------------------------------------------------------===//
#include "src/math/nanf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/nanf128.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(float128, nanf128, (const char *arg)) {
- return math::nanf128(arg);
+ return cpp::bit_cast<float128>(math::nanf128(arg));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index c91a9bcc619a9..79d563f9d79e8 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -4569,8 +4569,8 @@ libc_support_library(
name = "__support_math_setpayloadf128",
hdrs = ["src/__support/math/setpayloadf128.h"],
deps = [
- ":__support_fputil_float128",
":__support_fputil_basic_operations",
+ ":__support_fputil_float128",
":__support_macros_config",
],
)
@@ -8387,8 +8387,8 @@ libc_support_library(
name = "__support_math_getpayloadf128",
hdrs = ["src/__support/math/getpayloadf128.h"],
deps = [
- ":__support_fputil_float128",
":__support_fputil_basic_operations",
+ ":__support_fputil_float128",
":__support_macros_config",
],
)
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
index 9276c793530cf..be187f843bd8a 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
@@ -1626,7 +1626,7 @@ math_test(
hdrs = ["SetPayloadSigTest.h"],
deps = [
"//libc:__support_fputil_float128",
- ]
+ ],
)
math_test(
>From 50696b9d8993139db9cd0372840378aedcf308ce Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Tue, 8 Sep 2026 19:25:14 +0530
Subject: [PATCH 3/4] [libc] Fix emulated f128 NaN payload entrypoints
---
libc/src/__support/math/CMakeLists.txt | 8 ++++----
libc/src/math/generic/CMakeLists.txt | 1 +
libc/test/src/math/smoke/CMakeLists.txt | 10 +++++-----
3 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/libc/src/__support/math/CMakeLists.txt b/libc/src/__support/math/CMakeLists.txt
index 3aaf49c05f3cc..89d88c41982e7 100644
--- a/libc/src/__support/math/CMakeLists.txt
+++ b/libc/src/__support/math/CMakeLists.txt
@@ -2182,9 +2182,9 @@ add_header_library(
nanf128.h
DEPENDS
libc.src.__support.FPUtil.float128
+ libc.src.__support.libc_errno
libc.src.__support.macros.config
libc.src.__support.str_to_float
- libc.src.__support.libc_errno
)
add_header_library(
@@ -3852,8 +3852,8 @@ add_header_library(
HDRS
getpayloadf128.h
DEPENDS
- libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
)
@@ -4771,8 +4771,8 @@ add_header_library(
HDRS
setpayloadf128.h
DEPENDS
- libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
)
@@ -4828,8 +4828,8 @@ add_header_library(
HDRS
setpayloadsigf128.h
DEPENDS
- libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
)
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index 3cffe69f7ca5f..3f87b1569218d 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -3182,6 +3182,7 @@ add_entrypoint_object(
HDRS
../nanf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.nanf128
)
diff --git a/libc/test/src/math/smoke/CMakeLists.txt b/libc/test/src/math/smoke/CMakeLists.txt
index a26b72109eda1..b4c85a4fb352c 100644
--- a/libc/test/src/math/smoke/CMakeLists.txt
+++ b/libc/test/src/math/smoke/CMakeLists.txt
@@ -3933,10 +3933,10 @@ add_fp_unittest(
SRCS
nanf128_test.cpp
DEPENDS
- libc.hdr.signal_macros
- libc.src.math.nanf128
libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.fp_bits
+ libc.hdr.signal_macros
+ libc.src.math.nanf128
# FIXME: The nan tests currently have death tests, which aren't supported for
# hermetic tests.
)
@@ -5572,8 +5572,8 @@ add_fp_unittest(
HDRS
GetPayloadTest.h
DEPENDS
- libc.src.math.getpayloadf128
libc.src.__support.FPUtil.float128
+ libc.src.math.getpayloadf128
)
add_fp_unittest(
@@ -5646,8 +5646,8 @@ add_fp_unittest(
HDRS
SetPayloadTest.h
DEPENDS
- libc.src.math.setpayloadf128
libc.src.__support.FPUtil.float128
+ libc.src.math.setpayloadf128
)
add_fp_unittest(
@@ -5720,8 +5720,8 @@ add_fp_unittest(
HDRS
SetPayloadSigTest.h
DEPENDS
- libc.src.math.setpayloadsigf128
libc.src.__support.FPUtil.float128
+ libc.src.math.setpayloadsigf128
)
add_fp_unittest(
>From 62e302b039da224cc6e3773e4e0bce5aa589d602 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Sun, 13 Sep 2026 07:40:11 +0530
Subject: [PATCH 4/4] [libc] Fix formatting for emulated f128 NaN payload
functions
---
libc/src/__support/math/nanf128.h | 2 +-
libc/src/math/generic/getpayloadf128.cpp | 3 ++-
libc/src/math/generic/setpayloadf128.cpp | 3 ++-
libc/src/math/generic/setpayloadsigf128.cpp | 3 ++-
libc/test/src/math/smoke/nanf128_test.cpp | 2 +-
5 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/libc/src/__support/math/nanf128.h b/libc/src/__support/math/nanf128.h
index de445eeab900b..f57be9f31f7b9 100644
--- a/libc/src/__support/math/nanf128.h
+++ b/libc/src/__support/math/nanf128.h
@@ -9,8 +9,8 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
-#include "src/__support/libc_errno.h"
#include "src/__support/FPUtil/float128.h"
+#include "src/__support/libc_errno.h"
#include "src/__support/macros/config.h"
#include "src/__support/str_to_float.h"
diff --git a/libc/src/math/generic/getpayloadf128.cpp b/libc/src/math/generic/getpayloadf128.cpp
index 648acfd555f0c..069d374ba0cf4 100644
--- a/libc/src/math/generic/getpayloadf128.cpp
+++ b/libc/src/math/generic/getpayloadf128.cpp
@@ -15,7 +15,8 @@ namespace LIBC_NAMESPACE_DECL {
using LIBC_NAMESPACE::fputil::Float128;
LLVM_LIBC_FUNCTION(float128, getpayloadf128, (const float128 *x)) {
- return cpp::bit_cast<float128>(math::getpayloadf128(cpp::bit_cast<const Float128 *>(x)));
+ return cpp::bit_cast<float128>(
+ math::getpayloadf128(cpp::bit_cast<const Float128 *>(x)));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadf128.cpp b/libc/src/math/generic/setpayloadf128.cpp
index fa71b46a8a89c..faa1a08da7df9 100644
--- a/libc/src/math/generic/setpayloadf128.cpp
+++ b/libc/src/math/generic/setpayloadf128.cpp
@@ -15,7 +15,8 @@ namespace LIBC_NAMESPACE_DECL {
using LIBC_NAMESPACE::fputil::Float128;
LLVM_LIBC_FUNCTION(int, setpayloadf128, (float128 * res, float128 pl)) {
- return math::setpayloadf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
+ return math::setpayloadf128(cpp::bit_cast<Float128 *>(res),
+ cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadsigf128.cpp b/libc/src/math/generic/setpayloadsigf128.cpp
index 91dd561568d47..fab5902222cf6 100644
--- a/libc/src/math/generic/setpayloadsigf128.cpp
+++ b/libc/src/math/generic/setpayloadsigf128.cpp
@@ -15,7 +15,8 @@ namespace LIBC_NAMESPACE_DECL {
using LIBC_NAMESPACE::fputil::Float128;
LLVM_LIBC_FUNCTION(int, setpayloadsigf128, (float128 * res, float128 pl)) {
- return math::setpayloadsigf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
+ return math::setpayloadsigf128(cpp::bit_cast<Float128 *>(res),
+ cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/src/math/smoke/nanf128_test.cpp b/libc/test/src/math/smoke/nanf128_test.cpp
index ef781cbdf1b9b..1b8438aea79b9 100644
--- a/libc/test/src/math/smoke/nanf128_test.cpp
+++ b/libc/test/src/math/smoke/nanf128_test.cpp
@@ -7,8 +7,8 @@
//===----------------------------------------------------------------------===//
#include "hdr/signal_macros.h"
-#include "src/__support/FPUtil/float128.h"
#include "src/__support/FPUtil/FPBits.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/uint128.h"
#include "src/math/nanf128.h"
#include "test/UnitTest/FEnvSafeTest.h"
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